19066199051 has 2 divisors, whose sum is σ = 19066199052. Its totient is φ = 19066199050.

The previous prime is 19066199027. The next prime is 19066199077. The reversal of 19066199051 is 15099166091.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19066199051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19066198987 and 19066199005.

It is not a weakly prime, because it can be changed into another prime (19066190051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9533099525 + 9533099526.

It is an arithmetic number, because the mean of its divisors is an integer number (9533099526).

Almost surely, 2^19066199051 is an apocalyptic number.

19066199051 is a deficient number, since it is larger than the sum of its proper divisors (1).

19066199051 is an equidigital number, since it uses as much as digits as its factorization.

19066199051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 47.

The spelling of 19066199051 in words is "nineteen billion, sixty-six million, one hundred ninety-nine thousand, fifty-one".